feat: live editing

[benjamincanac]

No description provided.

[codecov-commenter]

Codecov Report

Merging #125 into master will decrease coverage by 1.68%.
The diff coverage is 62.06%.

@@            Coverage Diff             @@
##           master     #125      +/-   ##
==========================================
- Coverage   93.33%   91.64%   -1.69%     
==========================================
  Files          14       14              
  Lines         465      479      +14     
  Branches       91       97       +6     
==========================================
+ Hits          434      439       +5     
- Misses         28       35       +7     
- Partials        3        5       +2     

Impacted Files	Coverage Δ
lib/index.js	91.04% <50.00%> (-1.27%)	⬇️
lib/middleware.js	81.96% <56.52%> (-12.58%)	⬇️
lib/database.js	82.17% <100.00%> (ø)
lib/query-builder.js	100.00% <100.00%> (ø)
lib/parsers/markdown/compilers/json.js	100.00% <0.00%> (ø)

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[atinux]

Looking good, could you add a note on the documentation for Live editing into the Writing section?